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This work is being issued at a period of unparalleled development in the industry of knitted fabrics, when our British manufacturers are straining every nerve towards attaining a dominating position in this vital branch of the production of textile goods. It is highly gratifying and full of promise to note the spirit of enterprise which animates our younger generation of manufacturers, and the keenness and alertness which permeate the industry at the present time. Increased concentration by our machine builders on the numerous mechanical improvements being brought out in rapid succession from time to time is certain to have a great influence on the further expansion of the industry, and has the effect of considerably extending the horizon to the maker of knitted goods. With so many new firms springing up in different parts of the country, there has arisen an increased demand for books dealing with the knitting industry, and this work is presented in the hope that it will do something towards satisfying this widespread desire. The study of looped fabric structure is wide in scope, and none the less difficult because, on a first view, it appears simple and elementary. The prospect of the maker of knitted goods of all kinds, is further enhanced by the enormous production possible on the present-day knitting machinery and on the fact that the garments are made ready-to-wear. In this work an effort is made to outline the principles underlying the technology of the industry, and endeavours have been made to clarify certain problems of fabric structure which require still greater attention from the students of technology before they can be regarded as solved. Emphasis has also been laid on the fundamentals of the knitting process as performed on various mechanisms, for, if these basic principles are clearly comprehended, the foundation is securely laid for a further grasp of the industry and its technology.

Special attention is given to the structure and properties of knitting yarns, for in this texture it can be said with truth that the yarn is the fabric, seeing that the bulk of the productions are made from the single thread looped upon itself. Several problems relating to the weight of knitted fabric and similar questions are fully demonstrated, and the formulae explained from fundamental principles. A contribution is also made to the difficult subject of the setting of looped textures, generally so imperfectly understood in its theoretical significance.

That this volume may contribute towards a fuller knowledge of the technology of the knitting industry is the earnest wish of the Author,

WILLIAM DAVIS.

Technical Institute,

Hawick, 1920.